BUG: fix complex test for old compilers

Tests/Complex/Executable/complex.cxx

@@ -19,7 +19,7 @@ void Passed(const char* Message, const char* m2="")
   passed++;
 }
 
-main()
+int main()
 {
   if(sharedFunction() != 1)
     {

Tests/Complex/cmTestConfigure.h.in

@@ -3,7 +3,7 @@
 #define STRING_VAR "${STRING_VAR}"
 
 
-#undef CMAKE_NO_STD_NAMESPACE
-#undef CMAKE_NO_ANSI_STREAM_HEADERS
-#undef CMAKE_NO_ANSI_FOR_SCOPE
+#cmakedefine CMAKE_NO_STD_NAMESPACE
+#cmakedefine CMAKE_NO_ANSI_STREAM_HEADERS
+#cmakedefine CMAKE_NO_ANSI_FOR_SCOPE
 

Tests/ComplexOneConfig/Executable/complex.cxx

@@ -19,7 +19,7 @@ void Passed(const char* Message, const char* m2="")
   passed++;
 }
 
-main()
+int main()
 {
   if(sharedFunction() != 1)
     {

Tests/ComplexOneConfig/cmTestConfigure.h.in

@@ -3,7 +3,7 @@
 #define STRING_VAR "${STRING_VAR}"
 
 
-#undef CMAKE_NO_STD_NAMESPACE
-#undef CMAKE_NO_ANSI_STREAM_HEADERS
-#undef CMAKE_NO_ANSI_FOR_SCOPE
+#cmakedefine CMAKE_NO_STD_NAMESPACE
+#cmakedefine CMAKE_NO_ANSI_STREAM_HEADERS
+#cmakedefine CMAKE_NO_ANSI_FOR_SCOPE
 

Tests/ComplexRelativePaths/Executable/complex.cxx

@@ -19,7 +19,7 @@ void Passed(const char* Message, const char* m2="")
   passed++;
 }
 
-main()
+int main()
 {
   if(sharedFunction() != 1)
     {

Tests/ComplexRelativePaths/cmTestConfigure.h.in

@@ -3,7 +3,7 @@
 #define STRING_VAR "${STRING_VAR}"
 
 
-#undef CMAKE_NO_STD_NAMESPACE
-#undef CMAKE_NO_ANSI_STREAM_HEADERS
-#undef CMAKE_NO_ANSI_FOR_SCOPE
+#cmakedefine CMAKE_NO_STD_NAMESPACE
+#cmakedefine CMAKE_NO_ANSI_STREAM_HEADERS
+#cmakedefine CMAKE_NO_ANSI_FOR_SCOPE